Carson Sports Complex
Main Pool Size: 45' x 75'
Surface Cleaning: STN. STL. Gutter
Wader Pool: 20' x 40'
Surface Cleaning: Advanced Skimmer
Design Criteria: Single Filter
ORP Chemical System: Bleach
pH Chemical System: Carbon Dioxide & Dry Acid
Structure: Grand Beams, Poured in Place
Interior Finish Main Pool: Plaster
Interior Finish Wader: Tile
project had some unique features to contend with during preliminary
design, including poor soil conditions and restrictions on the back wash rate that
could be sent to the sanitary sewer system. Second, there were multiple
sources of makeup water being supplied to the pool at different times,
which affected the pool water balance. Third, there was very limited space
to place the pool equipment because of budget constraints. Unlike most designers who implement “plug and plan” pool
equipment, IPCI attacked the
problems head on rather than compromising the system and design.
First, we solved the back wash restriction problem by using a vacuum sand
filter, which can be cleaned at lower flow rates than those required with
pressure filter systems. Vacuum
sand filters only require 55% of the filter flow rate. We then installed a
2000 gallon in ground tank to act as a holding reservoir.
Additionally, all floor drains in the chemical rooms discharge to
this holding tank. This would
automatically help dilute a chemical spill to a safe level before it
reached the sanitary sewer system.
Second, we used a very effective low cost sanitizer to keep the pool water
safe. Sodium Hypochlorite
(commercial grade bleach) or liquid chlorine works well on most pools.
We used carbon dioxide to help balance the pH of the pool water and
counter act the effects of the bleach.
When the pool make up water was delivered from the city water
supply utilizing deep wells, this system would work fine.
However, at certain times of the year the water supply was taken
from the Arkansas River in Colorado, which had a dramatically different
pH. In order to keep the pool
water in check when this supply was used, we had to design and implement an
automatic water pH system that would feed acid.
IPCI design built and implemented an automatic water analyzing
system that would handle the water supply and feed the appropriate
chemicals as needed. This was,
to our knowledge, the first time a hybrid system like this has been
successfully used in
the United States.
Third, our pool equipment mechanical rooms required less than 4% of the
building foot print, saving the owner thousands of dollars in construction
cost. By using one filter for
both pools we minimized maintenance and operating costs. It actually kept
the wader pool at a higher temperature than the large pool with a unique
piping design and no additional heat exchangers were needed.